：白色发光二极管（WLED）驱动器，提供高效率和LCD显示器的背光的亮度匹配。控制亮度，这些驱动程序在配置串行或并行排列的LED电流调节。电荷泵驱动并联LED，其监管与个别监管机构或简单的镇流电阻的电流。基于电感的转换器提供电流的LED串，天生平等。两种配置的目的，有效地推动手机，掌上电脑，数码相机的LED。Maxim>Designsupport>Appnotes>Automotive>APP1804Maxim>Designsupport>Appnotes>Power-SupplyCircuits>APP1804Keywords:whiteLED,light-emittingdiode,bias,LCDbacklighting,serial,PWM,shutdown,lownoise,overvoltage,over-voltageprotection,dimmingcontrol,internalMOSFET,highefficiency,displays,currentregulators,brightnessmatching,currentmatchingMar25,2003REFERENCEDESIGN1804INCLUDES:TestedcircuitSchematicDescriptionDrivingLEDsinBattery-OperatedApplications:ControllingBrightnessPowerEfficientlyAbstract:Whitelight-emittingdiode(WLED)driversprovidehighefficiencyandbrightness
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